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- What is the most likely inheritance pattern? Explain your reasoning. 1 || 1 2 3 4 5 6 7 8 II 1 2 4 6. 7 8. 9. LOPart B 1. For the remaining characteristics, you will be looking at homozygous and heterozygous traits. Each trait will be determined to be homozygous recessive, homozygous dominant, or hetero- zygous. Letters representing the alleles will be given to you; the uppercase letter is always dominant and the lowercase letter is always recessive. If both dice rolled are even numbers, it indicates homozygous dominant alleles; if both are odd, it indicates homozygous recessive alleles; if one is odd and the other even, it indicates heterozygous alleles. 2. Eyebrows: Use the alleles "A" and "a" for this trait. Two separate brows are the dominant trait, whereas the unibrow (or one continuous brow) is recessive. 3. Eye shape: Use the alleles "R" and "r" for this trait. Round eyes are the dominant trait; almond shaped eyes are recessive. 4. Hitchhiker's thumb: Use the alleles "H" and "h" for this trait. Straight thumbs are dominant; Hitchhiker's thumbs (the curving upward of the thumb) are…If a woman of blood type A has a child of blood type O, which of the following could be the father's blood type? A blood type A, AB, or O, but not B blood type O, only blood type A or B, only OAnsered Incomectly D. blood type A, B, or O, but not AB ©2021Iluminate Education Inc O Type here to search hp %23 %24 5. 6. 8. C V alt LL D.
- II 2 III 1 Refer to the pedigree above. What is the genotype of person II-1 if this pedigree is for hemophilia? (A dot in the centre of a symbol indicates a known carrier of a recessive trait). hh O xtxh Hh O xhy OxHyA teacher asks students to create a model that will help predict the most likely blood type of an individual in a family. Which model provides the most useful information for predicting the individual's blood type? A graph showing the frequency of each blood type in the individual's family 20- 15 A 10 O A B Blood Group АВ A pedigree showing the blood types of the individual's family members over the past three generations A В A о в A A II A A АВ В (%) hɔuənbəs2. .... 3. Mrs. Morales is a carrier of the sex-linked hemophilia allele and Mr. Morales is normal. They actually have 4 daughters and 4 sons. What percentage of each sex will be hemophiliac, carrier, and normal.
- Below is a pedigree for a family into which Individual III-4 has married. He and his spouse, Individual III-3, are visiting a genetic counselor because they are expecting a baby (Individual IV-1). They want to know the chance that the baby will get the autosomal recessive genetic disease seen in Individual II-2. Overall, in the population, the disease is known to affect 1 in 625 individuals in the population to which this family belongs [assume this frequency is the result of random mating so represents f(aa)] I. II. E III. IV. 1 1 2 2 3 1 3 1 4 2 4 597. This family is (picture above) affected with blindness. Individual (IV.1) is clinically unaffected. What is the chance that he is homozygous for the normal allele? A-½ B-% C- almost 0 D-1/3 E- almost 100% ANS: IV TO O 560-5562. Create a pedigree chart based on the situation given. IV Many years ago, when I was 23 My middle child chose not to I was married to a lovely lady, as pretty as can be Maybe she's not that into "I like your beard" said she, on the day that she Her husband agrees to it too met me So I told her on that day, "will you marry me?" I wonder why they don't want to? II V The youngest fell in love early And had five children that she raised fairly We wed and had three daughters All of which has found their partners My daughters are now carriers Her only son, Harry, also wed early I'm sure the beard will have them prosper I guess his beard also got him his Daisy III VI My eldest had twins Now that we have Gregory Both boys yes it seems Came from Harry and her Daisy I guess now they've not stayed as babies Will a beard be shown in his daily? Because they've been chased after by more ladies If his mother also has a history.
- 1. The pedigree chart in Figure 5.29 shows the inheritance of haemopiu family. Study the pattern of inheritance in the pedigree chart, and then answer the questions that follow. о 5 6. 3 8 9 10 11 Key Unaffected male Haemophiliac male О Unaffected female Fig. 5.29 Pedigree chart of a family affected by haemophilia a) What is the genotype and phenotype of individuals 2 and 4? b) (i) How many of the unaffected family members are definitely carriers of the recessive allele? (ii) How are you able to tell which of the family members are carriers? (4) (1) (3) c) (i) If Individual 11 marries a carrier female, what percentage of their sons is likely to be haemophiliacs? (1) (ii) Use a genetic diagram to show how you worked out your answer in i, (6) 2. Why is haemophilia never passed from father to son, even though it is most common in males? (4) 3. Can a mother pass on a sex-linked gene to her daughter? (1) 4. Sipho has red-green colour blindness. One of his grandfathers was also. colour…1. Study the given alleles. Write the correct phenotype for each genotype. X– normal Genotype XC – Color-blind Phenotype XX XY XCXC www m XX www w ww w 2. Study the given alleles. Write the correct genotype for each phenotype. X- normal Genotype хн- Hemophiliaс Phenotype Hemophiliac female Hemophiliac male Normal female carrier of the gene Normal male Normal femaleCharcot-Marie-Tooth disease (CMT)causes motor and sensory neuropathies of the peripheral nervous system characterized by progressive loss of muscle tissue and touch sensation across various parts of the body. 8. What is the inheritance pattern shown? 9. Provide at least one piece of evidence for your claim. 10. The dashed line represents a possible union. Discuss the probability that such a union would result in a child with CMT.